66400320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 224

約数和(自身を含む): 247838976

約数和(自身を除く): 181438656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 140, 160, 164, 168, 192, 205, 210, 224, 240, 241, 246, 280, 287, 320, 328, 336, 410, 420, 448, 480, 482, 492, 560, 574, 615, 656, 672, 723, 820, 840, 861, 960, 964, 984, 1120, 1148, 1205, 1230, 1312, 1344, 1435, 1446, 1640, 1680, 1687, 1722, 1928, 1968, 2240, 2296, 2410, 2460, 2624, 2870, 2892, 3280, 3360, 3374, 3444, 3615, 3856, 3936, 4305, 4592, 4820, 4920, 5061, 5740, 5784, 6560, 6720, 6748, 6888, 7230, 7712, 7872, 8435, 8610, 9184, 9640, 9840, 9881, 10122, 11480, 11568, 13120, 13496, 13776, 14460, 15424, 16870, 17220, 18368, 19280, 19680, 19762, 20244, 22960, 23136, 25305, 26992, 27552, 28920, 29643, 33740, 34440, 38560, 39360, 39524, 40488, 45920, 46272, 49405, 50610, 53984, 55104, 57840, 59286, 67480, 68880, 69167, 77120, 79048, 80976, 91840, 98810, 101220, 107968, 115680, 118572, 134960, 137760, 138334, 148215, 158096, 161952, 197620, 202440, 207501, 231360, 237144, 269920, 275520, 276668, 296430, 316192, 323904, 345835, 395240, 404880, 415002, 474288, 539840, 553336, 592860, 632384, 691670, 790480, 809760, 830004, 948576, 1037505, 1106672, 1185720, 1383340, 1580960, 1619520, 1660008, 1897152, 2075010, 2213344, 2371440, 2766680, 3161920, 3320016, 4150020, 4426688, 4742880, 5533360, 6640032, 8300040, 9485760, 11066720, 13280064, 16600080, 22133440, 33200160, 66400320]

約数ペア:

[(1, 66400320), (2, 33200160), (3, 22133440), (4, 16600080), (5, 13280064), (6, 11066720), (7, 9485760), (8, 8300040), (10, 6640032), (12, 5533360), (14, 4742880), (15, 4426688), (16, 4150020), (20, 3320016), (21, 3161920), (24, 2766680), (28, 2371440), (30, 2213344), (32, 2075010), (35, 1897152), (40, 1660008), (41, 1619520), (42, 1580960), (48, 1383340), (56, 1185720), (60, 1106672), (64, 1037505), (70, 948576), (80, 830004), (82, 809760), (84, 790480), (96, 691670), (105, 632384), (112, 592860), (120, 553336), (123, 539840), (140, 474288), (160, 415002), (164, 404880), (168, 395240), (192, 345835), (205, 323904), (210, 316192), (224, 296430), (240, 276668), (241, 275520), (246, 269920), (280, 237144), (287, 231360), (320, 207501), (328, 202440), (336, 197620), (410, 161952), (420, 158096), (448, 148215), (480, 138334), (482, 137760), (492, 134960), (560, 118572), (574, 115680), (615, 107968), (656, 101220), (672, 98810), (723, 91840), (820, 80976), (840, 79048), (861, 77120), (960, 69167), (964, 68880), (984, 67480), (1120, 59286), (1148, 57840), (1205, 55104), (1230, 53984), (1312, 50610), (1344, 49405), (1435, 46272), (1446, 45920), (1640, 40488), (1680, 39524), (1687, 39360), (1722, 38560), (1928, 34440), (1968, 33740), (2240, 29643), (2296, 28920), (2410, 27552), (2460, 26992), (2624, 25305), (2870, 23136), (2892, 22960), (3280, 20244), (3360, 19762), (3374, 19680), (3444, 19280), (3615, 18368), (3856, 17220), (3936, 16870), (4305, 15424), (4592, 14460), (4820, 13776), (4920, 13496), (5061, 13120), (5740, 11568), (5784, 11480), (6560, 10122), (6720, 9881), (6748, 9840), (6888, 9640), (7230, 9184), (7712, 8610), (7872, 8435)]